

During the initial meeting with the architect, the homeowner shared many ideas about the layout and exterior design of their private residence. At the same time, the architect gathered valuable insights from interviews with all four family members. Using BIM technology, the residents carefully considered every aspect of their future living experience, and the architect aimed to incorporate all their requirements into the design.


To facilitate the project discussions, the architect chose to directly apply the grid system used during planning to the structural beam system of the private residence. This approach allows flexible placement and adjustment of walls and columns within the existing grid, enabling a variety of spatial configurations. Importantly, this beam system employs traditional woodworking techniques without relying on specialized tools or equipment.




This design allows for easy modifications if the family composition changes. Residents can simply relocate walls and columns within the home using BIM tools, making adjustments effortless. With advances in digital software, various forms and construction methods for housing are becoming increasingly accessible. In the future, homeowners may no longer need to rely solely on architects’ expertise to modify their homes, instead creating their ideal layouts within the grid themselves.



▲ Plan view

▲ Detailed drawing

▲ Detailed drawing
Project Information:
Architectural Firm: Hiroshi Gusen Architectural Design Firm
Location: Kitakyūshū, Japan
Category: Independent Residential Buildings
Lead Architects: Hiroshi Kosen, Hiroshi Hashimoto, Kenichi Kawai
Design Team: Hiroshi Gusen, Hiroshi Hashimoto, Kenichi Acui
Building Area: 330.88 m²
Year of Project: 2018
Photographer: Gongko Omori
Manufacturers: YKK, A&A, Trimble Navigation
Engineer: Atelier742 Kenichiro Takashima
Landscape Design: Tomohiro Urata
Consultant: Yamashita Kensetsu















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